Patent · US Active

Method for the production of neopentyl glycol

US9353032B2 · kind B2 · utility

1Cited by

4References

20Claims

0Family size

Assignee

OXEA GMBH · DE

Inventors

Matthias Eisenacher · Wesel, DE
Kurt Schalapski · Oberhausen, DE
Heinz Strutz · Usingen, DE

Key dates

Filing date	Sep 28, 2013
Grant date	May 31, 2016
Priority date	—
Expiry date	Sep 28, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/75
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for preparing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give hydroxypivalaldehyde with subsequent hydrogenation at a temperature of 80 to 140° C. and at a pressure of 2 to 18 MPa in the liquid phase, is characterized in that the hydrogenation is carried out in the presence of a copper chromite catalyst comprising the activators barium and manganese.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.